000 00294nam a22001217a 4500
020 _a9788120351530
100 _aRag RL
245 _aIntroduction to Sustainable Engineering
260 _aDelhi
_bPHI Learning
_c2015
300 _axi+152
700 _aLekshmi Dianachandran Remesh
942 _cBK
999 _c58651
_d58651